DE3636702C2 - - Google Patents

Info

Publication number
DE3636702C2
DE3636702C2 DE3636702A DE3636702A DE3636702C2 DE 3636702 C2 DE3636702 C2 DE 3636702C2 DE 3636702 A DE3636702 A DE 3636702A DE 3636702 A DE3636702 A DE 3636702A DE 3636702 C2 DE3636702 C2 DE 3636702C2
Authority
DE
Germany
Prior art keywords
color
signals
matrix
conversion circuit
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3636702A
Other languages
German (de)
English (en)
Other versions
DE3636702A1 (de
Inventor
Hidekazu Yokohama Jp Sekizawa
Naofumi Tokio/Tokyo Jp Yamamoto
Tutomu Yokohama Jp Saito
Haruko Funabashi Chiba Jp Kawakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP61246988A external-priority patent/JP2542586B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE3636702A1 publication Critical patent/DE3636702A1/de
Application granted granted Critical
Publication of DE3636702C2 publication Critical patent/DE3636702C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
DE19863636702 1985-10-28 1986-10-28 Farbbild-verarbeitungsvorrichtung Granted DE3636702A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24097485 1985-10-28
JP61246988A JP2542586B2 (ja) 1985-10-28 1986-10-17 カラ−画像読取り装置

Publications (2)

Publication Number Publication Date
DE3636702A1 DE3636702A1 (de) 1987-05-21
DE3636702C2 true DE3636702C2 (zh) 1989-05-18

Family

ID=26535014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863636702 Granted DE3636702A1 (de) 1985-10-28 1986-10-28 Farbbild-verarbeitungsvorrichtung

Country Status (2)

Country Link
US (1) US4745467A (zh)
DE (1) DE3636702A1 (zh)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908701A (en) * 1987-03-09 1990-03-13 Canon Kabushiki Kaisha Color image processing method and apparatus for color adjustment during image processing
US4926251A (en) * 1987-04-07 1990-05-15 Kabushiki Kaisha Toshiba Color image processing apparatus with image corrector
US4945405A (en) * 1987-05-21 1990-07-31 Minolta Camera Kabushiki Kaisha Color image read apparatus with shading and color balance correction
JPS6434050A (en) * 1987-07-29 1989-02-03 Canon Kk Line sensor for reading color
JP3048151B2 (ja) * 1988-01-19 2000-06-05 キヤノン株式会社 カラー画像形成装置
JPH01280969A (ja) * 1988-05-06 1989-11-13 Brother Ind Ltd 画像処理装置
JPH0262671A (ja) * 1988-08-30 1990-03-02 Toshiba Corp カラー編集処理装置
US5260777A (en) * 1988-11-15 1993-11-09 Canon Kabushiki Kaisha Apparatus for reproducing visible color image from color separations
DE69023825T2 (de) * 1989-07-17 1996-07-25 Matsushita Electric Ind Co Ltd Gerät zur Farbbilderzeugung.
US4980759A (en) * 1989-08-28 1990-12-25 Polaroid Corporation Calibration system and method for color image scanning
GB2244407B (en) * 1990-05-07 1994-03-02 Mitsubishi Electric Corp Color image reading apparatus
JPH0795814B2 (ja) * 1990-07-18 1995-10-11 富士ゼロックス株式会社 カラー記録装置、カラー信号出力装置、カラー信号編集装置、カラー信号蓄積装置、カラーネットワークシステム及びカラー複写機
WO1992003011A1 (de) * 1990-07-30 1992-02-20 Mannesmann Ag VERFAHREN EINER NICHTLINEAREN FARBKORREKTUR n-TER ORDNUNG EINES MEHRFARBENSCANNERS ZUR AUSGABE AUF EINEM FARBDRUCKER
US5172224A (en) * 1990-12-18 1992-12-15 Eastman Kodak Company Printer calibration method using electronically-decoupled color and tone scale adjustments
US5237402A (en) * 1991-07-30 1993-08-17 Polaroid Corporation Digital image processing circuitry
US5200817A (en) * 1991-08-29 1993-04-06 Xerox Corporation Conversion of an RGB color scanner into a colorimetric scanner
JPH0787346A (ja) * 1993-09-10 1995-03-31 Fuji Xerox Co Ltd カラー画像処理方法および装置
JP3257189B2 (ja) * 1993-10-13 2002-02-18 ミノルタ株式会社 画像処理装置
US5818973A (en) * 1996-01-11 1998-10-06 Umax Data Systems Inc. Apparatus for digital correction in an image system
US6147698A (en) * 1997-05-29 2000-11-14 International Business Machines Corporation Density control for a printer
JP3664582B2 (ja) * 1998-03-17 2005-06-29 富士写真フイルム株式会社 ホワイトバランス調整方法および装置
DE19835951C2 (de) * 1998-08-08 2002-03-14 Bernhard Hill Multispektrales Farbreproduktionssystem mit nichtlinearer Kodierung
US7092122B2 (en) * 2000-07-18 2006-08-15 Fuji Photo Film Co., Ltd. Image processing device and method
TW200403598A (en) * 2002-03-29 2004-03-01 Olympus Optical Co Test figure, geometric feature analyzing system, geometric feature analyzing-method, printer, and inkjet printer
JP3793121B2 (ja) * 2002-07-04 2006-07-05 キヤノン株式会社 撮像装置及び画像信号処理方法及びプログラム及び記憶媒体
US7369699B1 (en) 2003-08-29 2008-05-06 Apple Inc. Methods and apparatuses for restoring color and enhancing electronic images
EP1761037A1 (en) * 2005-09-02 2007-03-07 Thomson Licensing Colour chart and method for obtaining colour calibration values
EP2134073A1 (en) 2008-06-13 2009-12-16 THOMSON Licensing Rectangular calibration chart for calibration of color device
EP2134099B1 (en) 2008-06-13 2015-10-14 Thomson Licensing Method of compensation for spatial non-uniformities of image devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058828A (en) * 1975-05-27 1977-11-15 Eastman Kodak Company Document copying apparatus
CA1074703A (en) * 1975-05-27 1980-04-01 John H. Ladd Document copying apparatus with programmed computation means
US4418358A (en) * 1980-11-07 1983-11-29 Robert Bosch Gmbh Method and system to correct color errors in color television signals generated by scanning a film
JPS5967781A (ja) * 1982-10-12 1984-04-17 Canon Inc 信号変換装置
DE3321198C1 (de) * 1983-06-11 1984-11-29 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Sicherheitslenksaeule aus gewickelten faserverstaerkten Kunststoffen
EP0145801B1 (de) * 1983-12-14 1987-09-16 DR.-ING. RUDOLF HELL GmbH Verfahren und Schaltungsanordnung zur selektiven Korrektur von Farbtönen und Farben
US4661843A (en) * 1984-07-16 1987-04-28 Kabushiki Kaisha Toshiba Color image copying apparatus
JPH0646990B2 (ja) * 1992-04-03 1994-06-22 アトム株式会社 子宮内膜内胚移植用針

Also Published As

Publication number Publication date
DE3636702A1 (de) 1987-05-21
US4745467A (en) 1988-05-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation